<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<my-address-vue></my-address-vue>
		<!-- 购物车商品列表的标题区域 -->
		<view class="cart-title">
			<!-- 左侧的图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 描述文本 -->
			<text class="cart-title-text">购物车</text>
		</view>
		<!-- 商品列表区域 -->
		<!-- uni-swipe-action 是最外层包裹性质的容器 -->
		<uni-swipe-action>
			<block v-for="(goods, i) in cart" :key="goods.goods_id">
				<!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过options 属性来指定操作按钮的配置信息 -->
				<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
					<MyGoods :goods="goods" :showRadio="true" :showNum="true" @radiochange="radiochange"
						@countchange="countchange">
					</MyGoods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>
		<MySettleVue></MySettleVue>
	</view>
	<!-- 空白购物车区域 -->
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script setup>
	import {
		ref,
		reactive,
	} from 'vue';
	import {
		onLoad,
		onShow
	} from '@dcloudio/uni-app';
	import {
		useSetTabBarBadge
	} from '@/hooks/useSetTabBarBadge.js';
	import {
		useaddToCartListStore,
		useupdateCartListStore,
		useupdateCartcountStore,
		useremovecartByIdStore
	} from '@/store/store.js';
	import MyGoods from '../../components/MyGoods/MyGoods.vue';
	import MyAddressVue from '../../components/MyAddress/MyAddress.vue';
	import MySettleVue from '../../components/MySettle/MySettle.vue';

	const addToCartListStore = useaddToCartListStore()
	const updateCartListStore = useupdateCartListStore()
	const updateCartcountStore = useupdateCartcountStore()
	const removecartByIdStore = useremovecartByIdStore()
	const {
		cart
	} = addToCartListStore;
	// 使用组合式函数
	const {
		setBadge
	} = useSetTabBarBadge();

	//自定义事件接收来自mygoods组件的数据(商品状态改变)
	const radiochange = (data) => {
		// console.log(data);
		updateCartListStore.updateCartList(data)
	}
	//自定义事件接收来自mygoods组件的数据(商品数量改变)
	const countchange = (data) => {
		// console.log(data);
		updateCartcountStore.updateCartcount(data)
	}
	//滑动删除数据
	const options = reactive([{
		text: '删除', // 显示的文本内容
		style: {
			backgroundColor: '#C00000' // 按钮的背景颜色
		}
	}])
	//点击删除操作
	const swipeActionClickHandler = (goods) => {
		// console.log(goods);
		removecartByIdStore.removecartById(goods.goods_id)
	}
</script>

<style lang="scss">
	.cart-container {
		padding-bottom: 50px;
	}

	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;

		.cart-title-text {
			margin-left: 10px;
		}
	}

	.goods-item {
		// 让 goods-item 项占满整个屏幕的宽度
		width: 750rpx;
		// 设置盒模型为 border-box
		box-sizing: border-box;
		display: flex;
		padding: 10px 5px;
		border-bottom: 1px solid #f0f0f0;
	}

	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top: 150px;

		.empty-img {
			width: 90px;
			height: 90px;
		}

		.tip-text {
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>